B&K Precision’s 1672 and 1673 are quad display triple output DC power supplies that provide two variable outputs and one fixed output. The variable outputs can work independently, in series tracking, or parallelmode. Conveniently adjust voltage and currentwith independent front panel knobs and brightquad LED display.

Accessible through a simple push/pull switch, the1672 and 1673’s unique series and paralleltracking features let you easily double the outputvoltage or current. For achieving even highervoltages or current, multiple units can be connected in series or parallel.

Features and Benefits

� Three independent outputs

� Individual control knobs for voltage and

current settings of variable outputs

� CV (constant voltage)/CC (constant current)

mode operation

� Separate 3-digit voltage and current displays

for variable outputs

� LED indication for CV/CC mode

� Overload indication LED for fixed output

� Series tracking and parallel tracking mode

operation to double output voltage or current

respectively

Triple Output DC Power SuppliesModels 1672 & 1673

Data Sheet

www.bkprecision.comTechnical data subject to change© B&K Precision Corp. 2010

These power supplies are ideally suited for applications in electronic test, production, andservice, where multiple independent DC powersupplies are required.

The 1672 and 1673 are both designed to operate in a constant voltage or a constant current mode with automatic crossover, allowingcontinuous transition from constant current toconstant voltage modes in response to load condition changes.

Ratings/Model 1672 1673

Voltage (variable outputs) 0 - 32 V

Current (variable outputs) 0 - 3 A 0 - 6 A

Fixed output 5 V/ 3 A

Quad LED Display

Simultaneously display voltage and current for bothvariable outputs

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Front panel

User-Friendly Design

Triple Output DC Power SuppliesModels 1672 & 1673

Power On/Off switch

Bright, easy-to-read LED displays for both variable voltageand current outputs

LED indicators forconstant current andconstant voltage mode

Series and parallel trackingmode LED indicators

Overload indicationLED for fixed output

Individual voltage andcurrent controls for variable outputs

Three independent outputs

Easy-to-use voltage and current adjustmentknobs with simple push/pull switch mechanismfor series and parallel tracking modes.

CC and CV mode LEDs clearly indicate constantcurrent or constant voltage mode.

The 1672 and 1673’s bright, quad 3-digit LEDdisplays provide excellent readability at a distanceand allows you to view voltage and current output values for variable outputs independently.

Intuitive Operation Quad Display

Both models use sheathed safety banana inputjacks that accept sheathed or shrouded bananaplugs and meet the latest international safetystandards.

Safety in Mind

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Triple Output DC Power SuppliesModels 1672 & 1673

v112410

Specifications

Model 1672 1673

Output Parameters

Number of Outputs Three (two variable and one fixed)

Range 0 to 32 VDC / 0 to 3 A (variable) and 5 V / 3 A (fixed)

0 to 32 VDC / 0 to 6 A (variable) and 5 V / 3 A (fixed)

Constan t Voltage Mode(variable outputs)

Line Regulation <0.01% + 5 mV

Load Regulation <0.2% + 10 mV <0.55% + 10 mV

Ripple & Noise <1 mVrms <1 mVrms (independent/master)<4 mVrms (slave)

Constan t Current Mode (var iable outputs)

Line Regulation <0.2% + 5 mA

Load Regulation <0.2% + 8 mA 0.4% + 8 mA

Ripple & Noise <1 mArms

Track ing Operation

Slave Tracking Error < 0.5%+3 digits of the master

5V Fixed Output

Voltage Accuracy 5 V ± 0.25 V

Ripple & Noise <1 mVrms

Display

Voltage 3 digits 0.56” Green LED

Current 3 digits 0.56” Red LED

Accuracy <0.1% + 3 digits

General

Power Requirements 115/230 V ± 10%, 50/60 Hz ± 10%

Operating Temperature 50 °F to 104 °F (10 °C to 40 °C)

Humidity 90% R.H.

Temperature Coefficient <300PPM / C° (voltage and current)

Dimensions (W x H x D) 9” x 6.7” x 12.2” (230 x 170 x 310 mm)

Weight 12.6 lbs (5.7 kg) 19.8 lbs (9.0 kg)

Two Year Warranty Included Accessories: Power cord, instruction manual, two pairs of test leads

Note: All specifications apply to the unit after a temperature stabilization time of 15 minutes over the ambient temperature range of 25º C ± 5º C